After installation, command-line configuration is persisted, so command-line arguments only
need to be supplied when updating if the desired configuration has changed. If a username and
password aren't supplied via the above options, you will be prompted to enter them by the
update script. A password typed in response to the script won't be persisted to your
configuration, so you may choose to always enter it interactively for security.

Updating

Since 'npm update' no longer runs a package's update script, which we need to download and
install the runtime(s) from our website, you must instead run the following from the
directory of your installed Smart GWT package (e.g. smartclient-eval):